71791720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1$

素因数の和:216

約数の個数: 192

約数和(自身を含む): 219864960

約数和(自身を除く): 148073240

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 88, 91, 104, 110, 121, 130, 140, 143, 154, 163, 182, 220, 242, 260, 280, 286, 308, 326, 364, 385, 440, 455, 484, 520, 572, 605, 616, 652, 715, 728, 770, 815, 847, 910, 968, 1001, 1141, 1144, 1210, 1304, 1430, 1540, 1573, 1630, 1694, 1793, 1820, 2002, 2119, 2282, 2420, 2860, 3080, 3146, 3260, 3388, 3586, 3640, 4004, 4235, 4238, 4564, 4840, 5005, 5705, 5720, 6292, 6520, 6776, 7172, 7865, 8008, 8470, 8476, 8965, 9128, 10010, 10595, 11011, 11410, 12551, 12584, 14344, 14833, 15730, 16940, 16952, 17930, 19723, 20020, 21190, 22022, 22820, 23309, 25102, 29666, 31460, 33880, 35860, 39446, 40040, 42380, 44044, 45640, 46618, 50204, 55055, 59332, 62755, 62920, 71720, 74165, 78892, 84760, 88088, 93236, 98615, 100408, 110110, 116545, 118664, 125510, 138061, 148330, 157784, 163163, 186472, 197230, 220220, 233090, 251020, 256399, 276122, 296660, 326326, 394460, 440440, 466180, 502040, 512798, 552244, 593320, 652652, 690305, 788920, 815815, 932360, 1025596, 1104488, 1281995, 1305304, 1380610, 1631630, 1794793, 2051192, 2563990, 2761220, 3263260, 3589586, 5127980, 5522440, 6526520, 7179172, 8973965, 10255960, 14358344, 17947930, 35895860, 71791720]

約数ペア:

[(1, 71791720), (2, 35895860), (4, 17947930), (5, 14358344), (7, 10255960), (8, 8973965), (10, 7179172), (11, 6526520), (13, 5522440), (14, 5127980), (20, 3589586), (22, 3263260), (26, 2761220), (28, 2563990), (35, 2051192), (40, 1794793), (44, 1631630), (52, 1380610), (55, 1305304), (56, 1281995), (65, 1104488), (70, 1025596), (77, 932360), (88, 815815), (91, 788920), (104, 690305), (110, 652652), (121, 593320), (130, 552244), (140, 512798), (143, 502040), (154, 466180), (163, 440440), (182, 394460), (220, 326326), (242, 296660), (260, 276122), (280, 256399), (286, 251020), (308, 233090), (326, 220220), (364, 197230), (385, 186472), (440, 163163), (455, 157784), (484, 148330), (520, 138061), (572, 125510), (605, 118664), (616, 116545), (652, 110110), (715, 100408), (728, 98615), (770, 93236), (815, 88088), (847, 84760), (910, 78892), (968, 74165), (1001, 71720), (1141, 62920), (1144, 62755), (1210, 59332), (1304, 55055), (1430, 50204), (1540, 46618), (1573, 45640), (1630, 44044), (1694, 42380), (1793, 40040), (1820, 39446), (2002, 35860), (2119, 33880), (2282, 31460), (2420, 29666), (2860, 25102), (3080, 23309), (3146, 22820), (3260, 22022), (3388, 21190), (3586, 20020), (3640, 19723), (4004, 17930), (4235, 16952), (4238, 16940), (4564, 15730), (4840, 14833), (5005, 14344), (5705, 12584), (5720, 12551), (6292, 11410), (6520, 11011), (6776, 10595), (7172, 10010), (7865, 9128), (8008, 8965), (8470, 8476)]